53143112121 has 8 divisors (see below), whose sum is σ = 77299072224. Its totient is φ = 32207946720.

The previous prime is 53143112117. The next prime is 53143112167. The reversal of 53143112121 is 12121134135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53143112121 - 2² = 53143112117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53143112091 and 53143112100.

It is not an unprimeable number, because it can be changed into a prime (53143114121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805198636 + ... + 805198701.

It is an arithmetic number, because the mean of its divisors is an integer number (9662384028).

Almost surely, 2^53143112121 is an apocalyptic number.

It is an amenable number.

53143112121 is a deficient number, since it is larger than the sum of its proper divisors (24155960103).

53143112121 is a wasteful number, since it uses less digits than its factorization.

53143112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610397351.

The product of its digits is 720, while the sum is 24.

Adding to 53143112121 its reverse (12121134135), we get a palindrome (65264246256).

The spelling of 53143112121 in words is "fifty-three billion, one hundred forty-three million, one hundred twelve thousand, one hundred twenty-one".